pikaaegseid

Pikaaegseid is an Estonian grammatical form that functions as the partitive plural of the adjective pikaaegne, meaning long-term or long-lasting. It is used to describe nouns in the partitive case and is often employed when speaking about duration, extent, or effects that span a considerable period.

In grammatical terms, pikaaegne is one of the -ene adjectives in Estonian. When the described noun is in the partitive plural, the adjective takes the form pikaaegseid. This usage is common in formal or analytic text, such as scientific writing, policy documents, and journalism, where duration or long-term impact is emphasized.

Common collocations involving pikaaegseid include pikaaegseid tagajärgi (long-term effects) and pikaaegseid uuringuid (long-term studies). Such phrases frequently appear in discussions of health, environment, economics, and public policy, where the focus is on consequences or investigations that unfold over many years.

Usage notes: pikaaegseid does not stand alone as a noun; it functions as a modifier. The form conveys a sense of sustained duration or lasting influence and is most frequently encountered in written Estonian. In everyday speech, speakers may opt for simpler constructions to express similar ideas, but pikaaegseid remains a standard option for precise, formal descriptions of long-term phenomena.